Indoor air quality testing is more popular in recent years, the test subjects, and what their standards and test items based on what is it? Is based on GB / T 18883-2002 (indoor air quality standards), GB 50325-2001 (civil engineering indoor environmental pollution control) and other standards to determine the test items.
Major projects and analytical testing methods are as follows: air temperature, relative humidity, air velocity, fresh air and other test items are based on GB / T 18204.13-2000, GB / T 18204.14-2000, GB / T 18204.15-2000, GB / T 18204.18-2000.
For the air of harmful substances, testing and analysis of the project according to the standard are:
1.Nitrogen dioxide：GB12372-1990
2.CO：GB / T 18204.23-2000
3.CO2：GB / T 18204.24-2000
4.Ammonia：GB / T 18204.25-2000
5.Ozone：GB / T 18204.27-2000
6.Formaldehyde：GB / G 18204.26-2000, GB / T 16129-1995
7.As benzene, toluene, xylene：GB11737-1989
8.Particulate matter：GB / T 17095-1997
9.Volatile organic compounds：GB / T 18883-2002, GB 50325-2001
10.Total number of colonies：GB / T 18883-2002
11.Chlorine：GB / T 16147-1995, GB 50325 - 2001